538942716 has 72 divisors (see below), whose sum is σ = 1530940320. Its totient is φ = 158615424.

The previous prime is 538942697. The next prime is 538942727. The reversal of 538942716 is 617249835.

538942716 is a `hidden beast` number, since 538 + 9 + 42 + 71 + 6 = 666.

It is a super-2 number, since 2×538942716² = 580918502258913312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14271 + ... + 35798.

It is an arithmetic number, because the mean of its divisors is an integer number (21263060).

Almost surely, 2^538942716 is an apocalyptic number.

It is an amenable number.

538942716 is an abundant number, since it is smaller than the sum of its proper divisors (991997604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538942716 is a wasteful number, since it uses less digits than its factorization.

538942716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50115 (or 50110 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 538942716 is about 23215.1398014313. The cubic root of 538942716 is about 813.7934728699.

The spelling of 538942716 in words is "five hundred thirty-eight million, nine hundred forty-two thousand, seven hundred sixteen".